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प्रश्न
Write the formula of the following compound:
Sodium carbonate
Write the formula of sodium carbonate.
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उत्तर
Na2CO3
संबंधित प्रश्न
Write down the formula of aluminium chloride.
Write down the formulae of sodium sulphide.
Write the chemical formula of the Magnesium chloride.
Name the following compounds. Also write the symbols/formulae of the ions present in them :
- CuSO4
- (NH4)2SO4
- Na2O
- Na2CO3
- CaCl2
An element Y has a valency of 4. Write the formula for its :
- chloride
- oxide
- sulphate
- carbonate
- nitrate
Define ‘formula unit’ of an ionic compound. What is the formula unit of (i) sodium chloride, and
(ii) magnesium chloride ?
Name the element in the compound and give the formula of the following compound:
Glauber’s salt
Write the formula of the following compound:
Sodium sulphate
Write the formula of the following compound:
Calcium chloride
Write the formula of the following compound:
Calcium sulphate
Write the formula of the following compound:
Magnesium sulphate
Write the formula of the following compound:
Zinc nitrate
Write the formula of the following compound:
Zinc hydroxide
Write the formula of the following compound:
Iron [II] sulphate
Write the formula of the following compound:
Lead [II] hydroxide
Define the term Relative molecular mass. State why indirect methods are utilised to determine the absolute mass of an atom. Explain in brief the indirect method used.
Which of the following represents a correct chemical formula? Name it.
Write the molecular formulae for the following compounds
Mercury (II) chloride
Write the molecular formulae for the following compounds
Magnesium (II) acetate
